<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="generator" content="Docutils 0.6: http://docutils.sourceforge.net/" /> <title>Parallel BGL Concept Distributed Edge List Graph</title> <link rel="stylesheet" href="../../../../rst.css" type="text/css" /> </head> <body> <div class="document" id="logo-concept-distributed-edge-list-graph"> <h1 class="title"><a class="reference external" href="http://www.osl.iu.edu/research/pbgl"><img align="middle" alt="Parallel BGL" class="align-middle" src="pbgl-logo.png" /></a> Concept Distributed Edge List Graph</h1> <!-- Copyright (C) 2004-2008 The Trustees of Indiana University. Use, modification and distribution is subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> <div class="contents topic" id="contents"> <p class="topic-title first">Contents</p> <ul class="simple"> <li><a class="reference internal" href="#description" id="id1">Description</a></li> <li><a class="reference internal" href="#notation" id="id2">Notation</a></li> <li><a class="reference internal" href="#refinement-of" id="id3">Refinement of</a></li> <li><a class="reference internal" href="#associated-types" id="id4">Associated types</a></li> <li><a class="reference internal" href="#valid-expressions" id="id5">Valid Expressions</a></li> <li><a class="reference internal" href="#models" id="id6">Models</a></li> </ul> </div> <div class="section" id="description"> <h1><a class="toc-backref" href="#id1">Description</a></h1> <p>A Distributed Edge List Graph is a graph whose vertices are distributed across multiple processes or address spaces. The <tt class="docutils literal"><span class="pre">vertices</span></tt> and <tt class="docutils literal"><span class="pre">num_vertices</span></tt> functions retain the same signatures as in the <a class="reference external" href="http://www.boost.org/libs/graph/doc/EdgeListGraph.html">Edge List Graph</a> concept, but return only the local set (and size of the local set) of vertices.</p> </div> <div class="section" id="notation"> <h1><a class="toc-backref" href="#id2">Notation</a></h1> <dl class="docutils"> <dt>G</dt> <dd>A type that models the Distributed Edge List Graph concept.</dd> <dt>g</dt> <dd>An object of type <tt class="docutils literal"><span class="pre">G</span></tt>.</dd> </dl> </div> <div class="section" id="refinement-of"> <h1><a class="toc-backref" href="#id3">Refinement of</a></h1> <blockquote> <ul class="simple"> <li><a class="reference external" href="http://www.boost.org/libs/graph/doc/Graph.html">Graph</a></li> </ul> </blockquote> </div> <div class="section" id="associated-types"> <h1><a class="toc-backref" href="#id4">Associated types</a></h1> <table border="1" class="docutils"> <colgroup> <col width="18%" /> <col width="44%" /> <col width="38%" /> </colgroup> <tbody valign="top"> <tr><td>Edge descriptor type</td> <td><tt class="docutils literal"><span class="pre">graph_traits<G>::edge_descriptor</span></tt></td> <td>Must model the <a class="reference external" href="GlobalDescriptor.html">Global Descriptor</a> concept.</td> </tr> <tr><td>Edge iterator type</td> <td><tt class="docutils literal"><span class="pre">graph_traits<G>::edge_iterator</span></tt></td> <td>Iterates over edges stored locally. The value type must be <tt class="docutils literal"><span class="pre">edge_descriptor</span></tt>.</td> </tr> <tr><td>Edges size type</td> <td><tt class="docutils literal"><span class="pre">graph_traits<G>::edges_size_type</span></tt></td> <td>The unsigned integral type used to store the number of edges in the local subgraph.</td> </tr> </tbody> </table> </div> <div class="section" id="valid-expressions"> <h1><a class="toc-backref" href="#id5">Valid Expressions</a></h1> <table border="1" class="docutils"> <colgroup> <col width="17%" /> <col width="22%" /> <col width="23%" /> <col width="39%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Name</th> <th class="head">Expression</th> <th class="head">Type</th> <th class="head">Semantics</th> </tr> </thead> <tbody valign="top"> <tr><td>Local edge set</td> <td><tt class="docutils literal"><span class="pre">edges(g)</span></tt></td> <td><tt class="docutils literal"><span class="pre">std::pair<</span></tt> <tt class="docutils literal"><span class="pre">edge_iterator,</span></tt> <tt class="docutils literal"><span class="pre">edge_iterator></span></tt></td> <td>Returns an iterator range providing access to the local edges in the graph.</td> </tr> <tr><td>Number of local edges.</td> <td><tt class="docutils literal"><span class="pre">num_edges(g)</span></tt></td> <td><tt class="docutils literal"><span class="pre">edges_size_type</span></tt></td> <td>Returns the number of edges stored locally in the graph.</td> </tr> </tbody> </table> </div> <div class="section" id="models"> <h1><a class="toc-backref" href="#id6">Models</a></h1> <blockquote> <ul class="simple"> <li><a class="reference external" href="distributed_adjacency_list.html">Distributed adjacency list</a></li> </ul> </blockquote> <hr class="docutils" /> <p>Copyright (C) 2005 The Trustees of Indiana University.</p> <p>Authors: Douglas Gregor and Andrew Lumsdaine</p> </div> </div> <div class="footer"> <hr class="footer" /> Generated on: 2009-05-31 00:21 UTC. Generated by <a class="reference external" href="http://docutils.sourceforge.net/">Docutils</a> from <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> source. </div> </body> </html>